Airport confusion/

I got my Airport today, and I'm getting my PB on tuesday. I'm just wondering how I'm going to network that between my PC and my PS2, all who want the attention of my DSL modem at the same time. I just wanted to run this past you guys.

PC and PS2 go through a hub and into the ethernet port of the Airport. Albook gets signal from Airport, Airport gets signal from modem. Correct?

I also have a spare ethernet card for the PC, is there a way I could plug the PS2 into that and use it as a hub?

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